Session created

@Controller
@SessionAttributes(value = "Save")
@RequestMapping("/")
@ResponseBody
public class pageController {
//通过自带的域对象requsert获取session
@RequestMapping("fun3")
public void fun3(HttpServletRequest request){
HttpSession session = request.getSession();
session.setAttribute("first","共享数据");
System.out.println(session);
}
@RequestMapping("fun4")
public Object fun4(HttpServletRequest request){
HttpSession session = request.getSession();
Object object = session.getAttribute("first");
System.out.println(session);// in the session and fun3 consistent
return object;
}
// springboot own annotations created the session
@RequestMapping ( "fun1")
public void fun1 (a ModelMap a ModelMap) {
modelMap.addAttribute ( "the Save", "shared data");
System.out.println ( "first request is completed ");
}
@RequestMapping (" fun2 ")
public String fun2 (@ModelAttribute (" the Save ") String Save) {
System.out.println (" Save = "Save +);
System.out.println (" second request is complete ");
return Save;
}
}

Own door, water does not rot

Guess you like

Origin www.cnblogs.com/yunianzeng/p/11963412.html